<!DOCTYPE HTML>
<html>
<head>
<style>
body > div { border:1px solid black; margin:1em; }
div:first-line { color:green; }
div:first-letter { color:lime; }
.f:first-letter { float:left; }
</style>
</head>
<body>
  <div>Hello<br>Kitty</div>
  <div class="f">Hello<br>Kitty</div>
  <div>Hello<br>Kitty</div>
  <div class="f">Hello<br>Kitty</div>
  <div>Hello Hello<br>Kitty</div>
  <div class="f">Hello Hello<br>Kitty</div>
</body>
</html>
